Organ stop action



Dec. 16, 1930. E. VERLINDEN 1,784,951

ORGAN STOP ACTION Fil ed Oct. 27, 1928 2 Sheets-Sheet l TO STOP ACTION LIGHT 50: 144

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6 INVENTOR-I W I WITNESSE ATTOFPNE Y Patented Dec. 16, 1930 rrso STATE "PATENT OFFICE ORGAN STOP ACTION Application filed October 27, 1928. Serial No. 315,552.

The invention relates to organ stop actions and more particularly to the type of action for arranging various combinations of stops.

An object'of the invention is to effect improvements in the general type of combination stop action for organs disclosed in United States Letters Patent- No. 1,66tt,053, issued to me March 27, 1928, to the end of simplifying construction and circuits, insuring more certain and accurate operation and facilitating manipulation by the organist.

A more specific object of the invention is to provide automatic means for controlling the sequence of operations taking place in the setting and bringing on of stop combinations.

A further object is to provide a novel form of electro-pneumatically operated instrumentality for controlling such sequence of opera tions.

A further object is to provide indicating means for informing the organist of the course of setting a combination.

' A further object is to provide simple but effective mechanism for operating the movable stop controlling devices on the console to their alternative off and on positions,

the mechanism being of such construction as to minimize extraneous noises at the console and to permit the use of a relatively shallow console.

The invention further consists in the several features hereinafe set forth and more particularly defined by the annexed claims.

In the accompanying drawings, Fig. 1 is a schematic wiring diagram of a stop-controlling system embodying the invention;

Fig. 2 is a side elevation of a switching device included in the system; I

Fig. 3 is a sectional elevation of the switching device taken on the line 33 of Fig. 2;

Fig. i is a top plan viewof the 'switchin device, parts being broken away; 7 Fig. 5 is a detail sectional view taken along the line 55 of Fig. 2 showing the relation of the circuit-closer elements;

Fig. 6 is a detail sectional elevation of the stop key operating mechanism, and

Fig. 7 is a fragmentary plan view of the stop key-operating mechanism of Fig. 6.

As is well known, a pipe organ includes a number of stops and means for independently operating the same. The organ stops have not been shown in the drawings but are of usual construction, such as the electro-pneumatically-controlled type.

Stop-operating devices in the console may be of any type, but in the drawings are shown to be draw stops 10 which are slidably mounted for independent horizontal movement through openings in the front rail 11 of the console. Each draw stop 10 is connected by a link 12 to one end of a lever 13 pivotally mounted intermediate its ends, the other end of the lever being connected by a link 14: with one end of a trace bar 15. There are a plurality of trace bars 15 arranged in horizontal parallel relation within the console and each is connected to its respective draw stop. It will be obvious that the draw stops may be replaced by rocking stop tablets, which are frequently used in place of draw stops or draw knobs, and that the stopoperating devices not only control the operation of organ stops but also control the operation of couplers and other related instrumentalities.

The several parallel trace bars or traces 1 5 are mounted for reciprocating sliding movement on a frame 16, as seen in Figs. 6 and 7, and are spaced and guided thereon by up standing pins 1 7. depending pin 18, which is movable between stop members 19 and 20 limiting the movement of the trace to alternative spaced positions. A pair of spaced parallel slots 21 are formed in the upperedgeof each trace 15 at the end thereof opposite the link 14, and a contact pin22 extends transversely through the trace to be partially exposed at the bottom wall of each slot. Contact wires 23 ex tend into the slots 21 and co-operate with the contact pin 22 to form a stop-controlling circuit-closer, the contact pin 22 bridging the contact wires 28 in the on position of the trace and its connected draw stop to establish a circuit rendering effective the corresponding stop, and the pin being movable out of contact with the contact wires in the off position of the trace to disable the stop. The

Each trace 15 carries a trace and its connected draw stop are frictionally-retained in their alternative stopcontrolling positions.

The stop-controlling circuit above-noted includes a source of current 24@ which has one terminal thereof connected with one of the contact Wires 23 by a conductor 25, the other contact wire 23 being connected by a conductor 26 leading to the immediate controlling mechanism for the corresponding stop.

In the present instance, the draw stops or stop keys are utilized as a common means for controlling the stops either manually or through the functioning of a combinationeifecting mechanism, hereinafter described. Each trace 15 is provided with a longitudinallyextending vertically-disposed slot 27 at an intermediate portion. A flat magnet izable armature 28 is disposed to fit loosely in the slot 2'? and is pivotally mounted at a central portion on apin or screw 29 extending transversely through the trace and provided with a bearing bushing 30 of silencing material, such as rubber. The armature is substantially balanced and is movable to alternative positions in which one or the other of its opposite end portions projects below the lower edge of the trace. Each end portion of the armature is provided with a short slot 31 through which extends a stop pin 32 secured transversely in the trace and surrounded by a silencing bushing 33, which fits loosely in the slot. In this manner, the

armature is pivotally movable to definite alternative positions with a-minimum of noise. A pair of horizontally-extending supporting bars 34; are disposed transversely above the group of traces in close proximity thereto and have mounted thereon a plurality of upright electro-magnets 35 and 36 having their lower polar ends disposed adjacent the upper edge of the armatures 28. The electro-magnets 35 and 36 are disposed in the vertical plane of the subjacent armatures 28 and there is provided for each armature one electro-magnet 35 and one electro-magnet 36, placed there above at opposite sides of the pivot pin 29, as best seen in Fig. 6. The electro-magnets 35 and 36' for each trace 15 are alternatively energized, as hereinafter described, to attract portions of the adjacent armature therebelow and to thereby tilt the armature to one of its alternative positions. The disposition of the armature"28 centrally within the slotted traceserves to; avoid tilting and binding of theti'ace when the: armature is attracted by either of the superposed electromagnets. Y Y I pair-of parallel rock shafts are journ'alled'in the frame16 and extend transversely below the groupoftraces 15. @Leve'rs 38 carried on {the shaft 37 are 'connect'ed'b'y links 39 to'the bellows 4O ofa pneumatic fmotor ofwellf known construction including a controlling electro-niagnet 11, as'seen in Fig, 1.

The rock shafts 37, which are rotatable in opposite directions upon the inflation of the bellows, as hereinafter described, carry other levers 42 to which are secured bars 43 ex tending transversely below the group of traces 15 in close proximity thereto for engagement with the armatures 28 mounted on the traces. The bars 4L3 in their simultaneous movement toward each other by the inflation of the pneumatic 40 will engage one end or the other of each of the several armatures on the parallel traces and thus displace the traces and their connected draw stops to positions determined by the alternative position of the armatures under the selective control of the electro-magnets 35 and 36, as hereinafter described. The stop operating device comprising a draw stop and its connected circuit-closing trace may be referred to in general as a stop key.

The mechanism for the production of various combinations is placed distant from the console in any convenient location near or 2 within the organ space and is generally similar to that described in the above-noted United States Letters Patent No. 1,66%,053. This mechanism comprises a plurality of parallel traces movable to alternative spaced positions and s in'ing-urged to one of these positions, there being a trace for each stop key and each trace carrying thereon a plurality of switch elements l5 associated with the same stop key. The switch elements are also arranged in transversely-extending rowsof which there is one for each combination, each of these rows including a switch element on each trace. The switch elements L5 on eachtrace bar serve to control the off and on positions of the stop keys through circuits hereinafter described, alternatively energizing the stop key control electro'magnets 35 and 36; As describedin the above-noted United States Letters Patent No. 1,664,053, each switch element {i5 comprises a movableswiteh member pivotally mounted on the trace for alternative engagement with a pair of off and on contacts also mounted on the trace. The upper edge edge of the switch member is disposcdabove the upper edge of the trace and is formed to present upwardlyextending projections on either side of the pivotal axis of the switch member, so that one or the other of these vprojeetions may extend above the upper edge of the trace. in position 'to be moved downwardly-to effect a rocking movement of the switch member into engagement with one or the other of the off? and on contacts. jThe of? contacts on anyone trace areallacon nected together and the on contacts are likewise connected togeth'erso that there are two sets of contacts, the contactsineach set being connected-in parallel. The QM and off contacts on a trace 4% are respectively connected by conductors aG and l? to the stop key control electro-magnets 35 and 36 in the console, wh le the movable switch members on any one trace are connected by individual conductors 48a, 48?), etc., to the contact springs 49 of electropneumatically controlled combination relays 50a, 50?), etc., there being one of these latter relays for each combination to be eliected by the mechanism. There are as many contact springs 49 in each combination relay as there are trace bars, to-

' gether with additional contact springs, one

of which is connected to the supply conductor 25, which leads to the source of current 24, and another of which is employed for connection to another instrumentality, hereinafter described, controlling the operating mechanismfor the stop key traces 15 in the console. The contact springs 49 in each combination relay are connected to the laterallyadjacent switch. members of the several traces 44, since one transversely-extending row of switch members on the several parallel traces 44 is provided for each combination. The combination relays 50a, 50b, 500, etc., each include a bellows'51 which carries a bridging contact 52 for simultaneously establishing a connection between the supply conductor 25 and the several conductors 48a, 48b, 480, etc., the operation of each relay being controlled by an electro-magnet 53. As these relays are of well known construction they are illustrated only schematically in the drawings.

' The electro-magnets 53 of the combination relays 50a, 505, 500, etc, have a common return to the source of current 24 through a conductor 54, and the other terminals of the electro-magnets are connected by individual conductors 55a, 55?), etc., to normally closed sets of contacts 56, 57 of a relay 58, which is a'gang switch of well known construction, hereinafter described. 'The movable contacts 57 are connected by conductors 59a, 5%, etc, to respective contacts 60 in combination push-buttonswitches denoted generally by the numeral 61, and specifically by thenumerals 61a, 615,610, etc, which switches are mounted in the console for operation by the organist. Contacts 62 in each combination push-button switch are connected to the supply conductor 25 leading from the source of current 24. Each combination puslrbuttcn switch also includes acontact 63 which, together with the contacts 60 and 62, are en gageable by a bridging contact member The spring-retracted combination pushbut tons or pistons 61 are identified by numbers in the usual manner. There is a push-button 61 for each combination and each. serves as the immediate control for one ofthe combination relays 500:, 50?), etc.

One contact spring 49 of each of the several combination relays 50a, 505, etc., are connected 'in common by a conductor 65 whichlea ds to one terminal of the electromagnet 66 of a delayed-action electro-pneumatic relay 67, hereinafter described, the other terminal of the electro-magnet 66 be ing connected to the source of current through one of the return conductors 54. The numeral 54 is herein used to designate all return conductors connected to the source of current, while the numeral 25 is used to designate all supply conductors leading from the source of current. The delayedaction relay 67, hereinafter described in detail, includes a slowly inflatable bellows 68 carrying a contactor 69 engageable with a pair of contact springs 70, one of which is connected to one of the supply conductors 25 leading from the source of current and the other of which is connected by a conductor 71 leading to one terminal of the con trolling electro-magnet 41 of the pneumatic motor including the bellows 40, the other terminal of the electro-magnet 41 being connected to one of the return conductors 54 extending to the source of current 24. The contaotor-carrying pneumatic 68 of the delayed-action relay 67 is slowly inflatable under the control of the electro-magnet 66, as hereinafter described, to efiect a delayed closing of the circuit at the contact springs and thus to correspondingly delay the inflation of the pneumatic 40 in the console which effects the displacement of the stop key traces 15.

The several combinations are set in a manner hereinafter described by displacing the transverse rows of switch members 45 to selected oil and on positions. When apredetermined combination is to be brought on by the organist, one of the combination pushbuttons, say 61a, is pressed, which establishes 'a circuit'from the source of current 24 through supply conductor 25, contact 62, through bridging contactor 64, contact 60, through conductor 59a, through the normally-closed contacts 56 and 57, through conductor 55a, through electro-magnet 53 of the combination relay 50a, and thence back to the other side of the source of current through conductor 54. This serves to oper ate the combination relay 50a which then establishes a circuit from the source of current 24 through conductor 25, bridging con tactor 52, contact springs 49, and thence to the series of conductors 48a connected to a transversely-extending row of switch members 45 on the several traces 44 in order to control all the stop keys in the group in which the combination is to be effected. When a switch member 45 in this transversely-extending group is in its oil position,'current then flows through conductor 47 to electro-magnet 36 of the corresponding stop key and thence back to the source of current through a return conductor 54. The

. el'ectro-magnet 36 is then energized to lift the subjacent armature 28 on the trace 15 thus tilting the armature to the position seen in Fig. 6, wherein the rear portions of the armature are in their lower position. If the switch member is in its on position, current then flows through the conductor 46, instead of the conductor 4L7, to energize the electro-magnet 35 instead of the electromagnet 36, thus tilting the armature 28 therebelow to its other position. In like manner, the armatures on the other stop key traces 15 are also tilted to one of their alternative positions. At the same time that current is directed through the combination relay a to the circuit-closers 45 of the combination switching mechanism, another circuit is established from the supply conductor 25 through the contactor 52 of the combination relay, conductor 65, electromagnet 66 of the delayed-action relay 67 and thence back to the source of current through a return conductor 54. The bellows 68 is there upon slowly inflated and the contactor 69, after an interval of time, engages the contact springs 70 to establish the circuit from the supply conductor 25, through these contact springs, through the conductor 71, through the electro-magnet 41, and thence back to the source of current through a return conductor 5%. This effects the inflation of the bellows 4:0, which thereupon rocks the shafts 37 through the links 39 to cause the bars 43 to engage one end or the other of each of the armatures 28 on the stop key traces 15 and thus displace the stop key traces in one direction or the otherto move the stop keys to their selected off and on positions. If a stop key was previously in the on position, it is moved by one of the bars 48 to the off position in accordance with the position of the armature on the trace, while ifthe stop key is already in its off position, its condition is not disturbed. Since the combination relay 50a will direct current through only one transversely-extending row of switch members 45 on the traces A, it will be apparent that the position of the remaining switch members on the several traces will have no effect in bringing onthe desired combination, but are only effective when they occur in the transverse row of switch members through which a circuit will be established by the operation of the corresponding combination relay. It will also be noted that no movement of the traces 4a occurs when combinations are brought on.

ment by asuperposed transversely-extending bar 72. WVhen the hook bars are lifted, as hereinafter described, they reach a position to be engaged by a swinging bar 74 carried by arms 7 5 secured to a suitably-supported rock shaft 76. The rock shaft 76 carries a lever 77 which is connected by a link 78 to the deflatable bellows 79 of a pneumatic motor of well known construction, including a controlling electro-magnet 80. The deflation of the bellows 79 rotates the rock shaft 76 to move the swinging bar T l and thus effect the forward movement of any of the traces 44; whose hook bars 72 are lifted in position to be engaged by the swinging bar.

The movement of each hook bar 72 to actuating position is effected by an electro-inagnet 81 having its polar ends mounted in the stationary bars 73 immediately above the armature-forming hook bar. One terminal of the electro-magnet 81 is connected to the return conductor 54 leading to the source of current 2% and the other terminal of the electro-magnet is connected by a conductor 82 terminating at a contact 83 of the gang switch 58. The co-operating contact 84, which is normally out of engagement with the contact 88, is connected by a conductor 85 which joins the conductor 26 leading to the stop action from the stop key circuitcloser. There is an electro-magnet 81 associated with each stop key and this electro-magnet is controlled by the stop key when the relay contacts 83 and 8 are closed, as hereinafter set forth.

As previously stated, the switch members 45 on the traces M are movable to on or off positions by means of parts of their upper edges projecting above the upper edges of the traces. A switch actuator 86 extends transversely above the traces 44 in position to simultaneously rock a transversely-extending row of switch members when it is moved downwardly to the upper edges of the trace bars. There is one actuator 86 for each transversely-extending row of switch members, and accordingly for each combination. Each switch actuator is vertically displaced by means of links 87 at opposite ends connected to cranks 88 on a rock shaft 89. Each rock shaft 89 carries a lever 90 connected by a link 91 with a horizontallyextending counter-weighted armature-forming hook bar 92. The forward end of each hook bar when raised is adapted to be en gaged and moved by a swinging bar 93 which is mounted on arms 94L secured to a suitablysupported rock shaft 95. An arm 96 is secured to the rock shaft and is connected by a link 97 with a deflatable bellows 98 of a pneumatic motor of well known construction, including a controlling electro-magnet 99. The deflation of the pneumatic 98 rotates the rock shaft 95 to move the swinging bar 93 and thus elfect the forward movement of one of the links 91 whose hook bar 92 is in lifted position to be engaged by the swinging bar. The forward displacement of the link 91 rotates the rock shaft 89 to cause the descent of the switch actuator 86 and thereby displace a transverselyextending row of switch members 45 to selected stop controlling positions determined by the altel-native placement of the traces a l.

Each hook bar 92 is moved to actuating position by a superposed electro-magnet 100 mounted in a lixed bar 101 above hook bars. The elect'ro-magnets 100, of which there is one for each combination, have terminals connected in common with the return conductor 5 1 extending to one terminal of the source of current 24 and the other terminal of each electro-magnet is connected by a conductor 102 extending to a contact 103 on the gang switch 58 adapted to co-operate with the movable contact 57, heretofore noted, which is normally engageable with the contact 56.

In order to automatically control the proper sequence of operations taking place in the setting of combinations andto facilitate the work of the organist, an electro-pneumatically-controlled delayed-action relay 10 1 is provided. This delayed-action relay is identical with the relay 67, heretofore noted, except for contact arrangement, and a. detailed description of the relay 104: will accordingly serve for both. A base member 105 is mounted on the upper face of any suitable pressure chest 106 and is provided with an upright bore 107 therethrough communicating with the pressure chest. The upper end of the bore is covered by a valve casing 108 which also covers a port or passage 109 opening at the upper face of the base member. A disk valve 110 disposed within the valve casing normally closes the upper end of the port 109 and this disk valve forms an armature which is attracted by a superposed electro-magnet 111, having its polar ends mounted in the valve casing 108. The valve chamber within the valve casing is so arranged that the air within the chamber will have access to a substantial area of the upper surface of the disk valve when the latter is attracted to thereby effect the prompt seating of the disk valve when the electro-magnet is de-energized. The port 109 communicates with a vertical bore 112 opening into a key-hole shaped chamber 113 formed in the upper face of the base member 105 and this chamber is enclosed above by a block 11% having a pneumatic 115 mounted thereon. A vertical passage 116 through the block 114; provides communication between the chamber 113 and the interior of the penumatic, and the effective area of this passage is determined by a transverselyextending adjusting screw 117 which serves to adjustably throttle the air passing into or out of the pneumaitc. The vertical bore 112 in the base member 105 is out of vertical register with the vertical passage 116 and a venting passage 118 formed in the block 114 has its lower end opening in communication with the chamber 113 immediately above the bore 112. A disk valve 119 disposed in the chamber 113 normally closes the upper end of the bore 112 but is capable of upward movement when sufiicient pressure exists in the passage 109 to close the lower end of the venting passage 118. A small bleed opening 120 is formed centrally through the disk valve 119 and serves to permit deflation of the pneumatic 115, as hereinafter described. The block 11 1 has a vertical contact support 121 secured thereto at the end remote from the hinged portion of the pneumatic and a stop member 122 is secured to the upper end of the contact support 121 to limit the inflation of the pneumatic. Springs 123 are provided at the hinge por tion of the pneumatic urging the pneumatic to a deflated position, and a contact bar 124 is secured to the free end portion of the movable leaf of the pneumatic. A plurality of contact wires are secured to the support 121 andthese are identified specifically by the numerals 125, 126, 127, 128, 129 and 130, as seen in Fig. 5. The free end portions of the contact wires 125 to 130, inclusive, are disposed in guide slots 131 formed in a bar 132 secured to the upper movable leaf of the pneumatic 115, and in the deflated position of the pneumatic these spring wires all rest a-t'the bottom of the guide slots out of contact with the contactor 12 1. The block 132 also is engageable with the stop member 122 to limit the inflation of the pneumatic.

As seen in Fig. 5, the contact wires 125 to 130, inclusive, are arranged in a relation in which some of them will engage the contactor 1241 later than others to establish successive circuits hereinafter described. In addition, the contact wires are so arranged as to avoid any tendency to warp the pneumatic.

To effect the operation of the delayedaction relay, the magnet 111 is energized as hereinafter described to lift the disk valve 110 and to permit the flow of air into the passage 109. The pressure of air in the latter passage lifts the disk valve 119 to close the venting passage 118 from the chamber 113 and air is then forced through the restricted passage 116 into the interior of the pneumatic 115 to cause the slow inflation of the pneumatic and the engagement of the contactor 124 with the several contact wires 125 to 130, inclusive. During this period, a small amount of air escapes through the bleed opening 120 and into the venting passage 118 but th is insuflicient to influence the normal operation of the bellows. When the electro magnet 111 is ale-energized, the disk valve 110 falls to close the passage 109 from the pressure chest and the air in the bellows 115 then escapes through the passage 116 and thence through the bleed opening 120 in the disk valve 119, which latter eventually falls to the position shown in Fig. 3. The rate of inflation can be accurately adjusted by means of the screw 117. If leakage of air should take place past the closed disk valve 110, the resulting air pressure in the passage 109 will be insuificient to lift the venting valve 119 to close the venting passage and this air accordingly escapes through the venting passage after passing through the bleed opening 120 or by slightly lifting the disk valve 119, deg rending upon the rate of leakage. In this manner, the pneumatic 115 will not be accidentally operated by air leakage which may pass the disk valve 110, should this valve be improperly seated by reason of the presence of a particle of sawdust or other foreign matter.

The electro-magnet 111 of the delayedac'tion relay 104 has one terminal connected by a return conductor to the source of current 24 and the other terminal is connected by a conductor 133 with a stationary contact 134 on the gang switch 58. A movable contact 135 on the switch co-operates with the contact 134 from which it is normally sepa rated, and a conductor 136 connects the movable contact 135 with the contacts 63 of each of the several combination push-buttons 61a, (31?), 610, etc.

A combination control push-button 137 in.- cludes a pair of contacts 138 and 139 which are engagea-ble by a movable bridging contactor 140 when the push-button is pressed. The contact 138 is connected to the source oi. current by the supply conductor 25 and the contact 139 is connected by a conductor 141 with one terminal of a controlling electromagnet 142 of the gang switch 58, the other terminal of this electro-magnet being connected to the source of current by a return conductor 54. The gang switch 58 which is of the electro-pneumatic type is of well known construction and is shown only schematically in Fig. 1. The contact wire 129 on the delayed-action relay 104 is connected to one of the supply conductors 25 leading from the source of current and the contact wire 130 of the same relay is connected by a conductor 143 leading to one terminal of an indicating lamp 144, the other terminal of which is connected to the source of current 24 by the return conductor 54. The contact 125 of the delayed-action relay is connected by conductor 145 which joins the conductor 141 leading from the combination control switch to the electro-magnet 142 of the gang switch 58. The contact wire 126 of the delayed-action relay 104 is connected by a conductor 146 with one terminal of the controlling electro-magnet of the pneumatic motor which includes the bellows 79, the

other terminal of this electro-magnet being connected to the source of current by the return conductor 54. The contact wire 127 oi the delayed-action relay 104 is connected by a conductor 147 which leads to one terminal of the electroanagnet 99 of the pneumatic motor including the bellows 98, the other terminal of this electro-magnet being connected to the source of current by the return conductor 54. The contact wire 127 of the delayed-action relay 104 is connected by a conductor 148 to one terminal of an indicating lamp 149, the other terminal of which is connected to the source of current by the return conductor 54.

As seen in Fig. 5, the contact wires 125, 129 and 130 are arranged near the ends of the contactor 124 and are the first to be engaged by this contactor upon the inflation of the pneumatic 115, this engagement occurring substantially simultaneously. Upon this engagement, a circuit will be established from the supply conductor 25 through the contact wire 129 and thence through the contact wires 125 and 130, the former of which is connected by the conductor 145 with the electro magnet 142 of the gang switch 58, and the latter of which is connected by the conductor 143 with the first indicating lamp 144. As the contactor 124 of the delayed-action relay 104 moves upwardly, it will next engage the contact wire 126 which is connected to the controlling electro-magnet 80 through which the traces 44 of the combination-setting mechanism are moved. After a short interval, the contactor 124 engages the contact wire 128 which is connected to the controlling electro-inagnet 99 through which a selected one of the combination-setting actuators 86 is operated. After a further interval, the contactor 124 engages the contact wire 127 which is connected by the conductor 148 to the second indicating lamp 149 to indicate the conclusion of the combination-setting operation.

lVhen the organist desires to set a combination, he first withdraws selected draw stops 10, which places the corresponding stop controlling circuit-closers on the traces 15 to their on positions. The organist then presses the combination control push-button 137, which establishes a circuit, heretofore described, energizing the electro-magnet of the gang switch 58 and moving this gang switch to its combination-setting position. A circuit is immediately established from the supply conductor 25 through the stop key circuitcloser 22, 23, through the conductor 85, through the now engaged contacts 83 and 84, through the conductor 82, through the electro-magnet 81 in the combination-setting mechanism, and thence back to the source of current through the conductor 54. In this manner, the several electro-magnets 81 will be selectively energized according to the oif and on positions of the corresponding stop keys. An electro-magnet 81, when energized, lifts the subjacent hook bar 72 on the connected trace 44 into the path of move ment of the swinging bar 74. After the organist presses the combination control pushbutton 137, he then presses a selected one of the combination push-buttons 61, say 61a, which establishes a circuit from the supply conductor through the conductor 590,, through the now engaged contacts 57 and 103 of the gang switch 58, through conductor 102, through electro-magnet 100 of the combination-setting mechanism, and thence back to the source of current to the return conductor 54-. energized, immediately lifts the hook bar 92 therebelow to bring it into the path of movement of the swinging bar 93. Simultaneously with the establishment of this circuit another circuit is established from the supply conductor 25, through the contacts 62 and 63 of the combination push-button, through conductor 136, through the now engaged contacts 134 and 135 of the gang switch 58, through conductor 133, through electro-magnet 111 of the delayed-action relay 104, and thence back to the source of current through the return conductor 54. The electro-magnet 111, when energized, controls the slow inflation of the pneumatic 115, as heretofore described, which causes the contactor 124 thereon to engage the contact wires 125 to 130, inclusive, in a manner heretofore noted. Circuits are first established from the supply conductor 25 through the contact wires 129 and 139, through the conductor 143 and first indicating lamp 144, thus indicating to the organist the initial progress of the setting operation. At the same time, a circuit isestablished through the conductor 145 leading to the controlling electro-magnet 14 of the switch 58, thus permitting the organist to release the combination control puslrbutton 137, which he does as soon as the first indicating lamp 144 becomes illuminated, since the electro-magnet 142 will remain energized. After a short interval, another circuit is established through the contact wire 126 of the delayed-action relay 104, through the conductor 146, through the controlling electro-magnet 80 of the pneumatic device effecting the displacement of the traces 44, and thence back to the source of current through the conductor The deflation of the bellows 79 then swings the bar 74 in a manner heretofore noted to advance those traces on which the hook bars 7 2 have been previously lifted by the electro-magnets 81. fter another short interval, another circuit is establishes through the contact wire 128 of the delayed-action relay 104, through the conductor 147, through the controlling elecnet 99 of the pneumatic motor optie actuator 86, and thence back to The electro-magnet 100, wheir the source of current through the conductor 54. The bellows 98 is then deflated to cause the descent of the actuator bar, in a manner heretofore described, and to thereby displace the subjacent switch members to their off or on positions as determined by the position of the traces 44. it will be seen that the switch members 45 in the selected combination-controlling group are moved to on position if the traces on which they are mounted have been oisplaced by the swinging bar 7 provided such trace members are not already in on position, and those switch members in the group on the undisturbed traces will be moved to off position, if not already in such position. Near the end ofits upward. travel, the contactor 124 of the delayed-action relay 104 engages the contact wire 127. to establish a circuit through the conductor 148 and indicating lamp 149, thus indicating to the organist the completion of the setting operation, whereupon he releases the combination push-button. When this push-button is released, the current through the electro-magnet 111 of the delayed-action relay is broken, thus causing the slow deflation of the pneumatic 115 to break the successive circuits at the contact wires 125 to 130, inclusive. The slow deflation of the bellows 115) is determined. by the size of the bleed opening 120 in the disk valve 119 through which opening the exhausting air must pass. The circuit through the indicating lamp 149 is firs broken and shortly thereafter tiie curr 3 through the electro-magnet 99 is also broken, thus permitting the return of the actuator bar 86 to its upper position. After a short interval, the circuit through the electro-magnet 89 is broken, thus causing the return of the swinging bar 74 and the traces 44 to their initial positions. After a further small interval, the circuit through the indicating lamp 144 is broken as is also the circuit through the controlling electro-magnet 142 of the gang switch 58, thus causing the return of the switch to its initial position. When this occurs, the circuits through the several el.ectro-magnets 81 are broken at contacts 83 and 84, thus permitting the hook bars 72 to drop, and at the same time the circuit through the electro-magnet 100 is broken at the contacts 57 and 103, thus causing the hook bar 92 to drop.

In like manner, successive combinations can be set by the or anist, it being noted that it is only necessary for him to depress the combination control push-button and the successive combination pusl1buttons, and to release the latter buttons at the proper time by Watching the indicating lamp 149. The sequence of operations taking place in the setting and bringing on of combinations is automatically controlled, thus securingaccuracy and certainty of operation and relieving the organist of unnecessary detail work. The

indicating lamps 14A and 149 inform the organist of the progress of the combinationsetting operations.

After the several combinations have been set, in the manner above described, they can be successively brought on by depressing the combination push-button 61a, 61?), etc., as heretofore noted. The bringing on of succenive combinations will eliminate from or add to the previously-set stop keys according to the selection set. H the organist desires to temporarily include or exclude one or more stop keys while the organ is being played, this may be done manually without aii'ccting the previouslyset combination, since the switch members on the traces 44 are not a'l'l'ected by so doing.

When a new cries of combinations is to be established, this may be done regardless of the existence of previously-set combinations, as the latter lose their identity when the new combinations are set in the manner above described. The several combinations may be cancelled by bringing all the stop keys to off position and then, while holding the combination control push-button depressed, successively operating the several combination push-buttons. By this manipulation, the switch actuators 86 move all of the switch members 45 to oil position. If the hook bars 92 are lifted simultaneously energizing the electro-magnets 100, the cancellation may be effected with less manipulation, since all of the switch actuators will then descend at the same time to move the switch members i5. It is, of course, obvious that two of: the combination push-buttons or equivalent de vices may respectively control the all oil or all on positions or" the stops. When the combination stop action is to be used in a sell player, the combination push-buttons are supplemented by equivalent note-sheet-controlled circuit-closers in a manner which is well known in the art.

Nhile the stop keys are here shown to be utilized for securing the functioning of the stops either manually or by means of the combination controlling mechanism, this is only for the purpose of securing an indicat ing means and to permit stops to be temporarily included in or excluded from the combination. In some instances, other indicating means may be employed instead in which the stop keys are not moved when a combination is brought on. Since the mechanism of the stop action of the present invention may be placed in any suitable location, it is possible to provide any desired number of combinations and the console may be made in standard sizes according to the number of manuals employed, because its size is not determined by the number of combinations desired. By suitable minor changes, it is also possible to incorporate the mechanism in existingorgans of any type, as the mechanism on the whole is mechanically inclependent of the stop keys.

What I claim as new and desire to secure by Letters Patent is:

1. The combination of a reciprocable member, means for placing said member in alternative spaced positions, a circuit-closer associated with said member and movable to off and on positions tor controlling the oil and on positions of an organ stop, a movable actuator engagcable with said circuitcloser for placing said circuit-closer in alternative stop-controlling positions determined by the placement of said reciprocable member, and means for delaying the act-ion of said actuator for insuring the antecedent placement of said reciprocable member in its selected position.

2. The combination of areciprocable member, impelling means for displacing said member, a coupling member movably mounted on said reciproca-ble member for selective connection with said impelling means, means for moving said coupling member into operative position, and means for delaying the movement of said impelling means to render certain the antecedent displacement of said coupling member.

3. The combination of a reciprocable member, means for placing said member in alternative spaced positions including an impelling member, a coupling member movably mounted on said reciprocable member for selective connection with said impelling member, means for moving said coupling member into operative position, a circuitcloser associated with said reciprocable member and movable to foff and on positions for controlling the oil and on positions of an organ stop, a movable actuator engageable with said circuit-closer for placing said circuit-closer in alternative stopcontrolling positions determined by the placement of said reciprocable member, and means for controlling the successive operation of said coupling member, said impelling member and said actuator for rendering certain the selected placement of said circuitcloser.

4. The combination of a reciprocable member, means for placing said member in alternative spaced positions including an impelling member, a coupling member movably mounted on said reciprocable member for selective connection with said impelling member, means for moving said coupling member into operative position, a circuit-closer associated with said reciprocable member and movable to off and 011 positions for controlling the oil and on positions of an organ stop, a movable actuator engageable with said circuit-closer for placing said circuit-closer in alternative stop-controlling positions determined by the placement of said reciprocable member, and means for indicating to an organist the initiation and completion of the operation of setting the circuit-closer.

5. The combination of a reciprocable member, means for placing said member in alternative spaced positions including an impelling member, a coupling member movably mounted on said reciprocable member for selective connection with said impelling member, means for moving said coupling member into operative position, a circuitcloser associated with said reciprocable member and movable to off and 011 positions for controlling the oil and on positions of an organ stop, a movable actuator engageable with said circuit-closer for placing said circuit-closer in alternative stop-controlling positions determined by the placement of said reciprocable member, and electro-pneumatically operated means for controlling the successive operation of said coupling member, said impelling member and said actuator for rendering certain the selected placement of said circuit-closer.

6. The combination of a reciprocable member, means for placing said member in alternative spaced positions including an impelling member, a coupling member movably mounted on said reciprocable member for selective connection with said impelling member, means for moving said coupling member into operative posit-ion, a circuitcloser associated with said reciprocable member and movable to 0E and on positions for controlling the oil and on positions of an organ stop, a movable actuator engageable with said circuit-closer for placing said circuit-closer in alternative sto -controllin b positions determined by the placement of said reciprocable member, a delayed action relay for controlling the successive operation of said coupling member, said impelling member and said actuator for rendering certain the selected placement of said circuitcloser, and indicating circuits controlled by said relay.

7. The combination of a bellows normally urged to deflated position, valve means controlling the admission of air to said bellows for efi'ecting the inflation of said bellows, means for controlling the rate of inflation of said bellows, venting means for relieving said bellows from air pressure incident to leakage past said valve means, and means operated by the flow of air under pressure to said bellows for rendering said venting means inoperative during the application of operative air pressure to said bellows, there being "a bleed opening in communication.

.move said reclprocable member in a direcwith said bellows for permitting the slow deflation of said bellows upon the removal of operative air pressure.

8. The combination of a bellows normally urged to deflated position, valve means controlling the admission of air to said bellows ing in said valve member for permitting the slow deflation of said bellows upon the removal of operative air pressure. p

9. The combination of a bellows normally urged to deflated posit-ion, valve means controlling the admission of airto said bellows for effecting the inflation of said bellows, means for controlling the rate of inflation of said bellows, and a circuit-closer operated by said bellows on its inflation and including a plurality of successively operative contacts.

10. The combinatiom'with a plurality of stop keys movable to off and on positions, a plurality of devices for selectively moving said stop keys to their alternative positions, a plurality of shittable stop-controlling circuit-closers disposed in combination-controlling groups and having circuit connections with said stop-operating devices for operating the same, a combination push-button for each combination-controlling group of circuit-closers and having circuit connections therewith for directing current to said stopoperating devices, setting means for each group of combination-controlling circuitclosers to simultaneously actuate a group of circuit-closers into selective stop-controlling positions, stop-key-controlled means for determining the position to which said circui closers will be actuated, a relay having circuit connections with said combination pushbuttons for alternatively controlling the setting of combinations or the bringing on of combinations, a combination-control pushbutton having circuit connections withsaid relay for moving it to its combination-setting position, and means controlled by any one of said combination push-buttons for retaining said relay in its combination-setting position to permit the release of said combination-control push-button.

11. The combination of a reciprocable member movable to alternative positions, an armature mounted on said member and movable to alternative positions, electro-magnetic means for selectively moving said armature to its alternative positions, and impelling means engageable with said armature to tion determined by the position of said armature.

12. The combination of a reciprocable member movable to alternative positions, an armature pivotally mounted on said trace and movable to alternative positions, a pair of. electro-magnets disposed adjacent said armature for selectively moving said armature to its alternative positions, and a pair of impelling elements simultaneously movable in opposite directions and selectively engageable with said armature to move said reciprocable member in a direction determined by the position of said armature.

13. The combination of a trace movable in opposite directions and having a longitudinal slot, an armature pivotally mounted on said trace and disposed in said slot for movement in alternative positions, stop means for limiting the movement of said armature to its alternative positions, electrosmagnetic means for selectively moving said armature to its alternative positions, and impelling means engageable with said armature to move said trace in a direction determined by the position of said armature. l

. 14-. The combination of a trace movable in opposite directions and having a longitudinal slot, a fiat elongated armature pivotally mounted at its central portion 011 said trace and disposed in said slot for movement in a vertical plane to alternative positions, stop means carried on said trace for limiting the movement of said armature to its alternative positions, a pair of electro-magnets disposed adjacent one edge of said armature at opposite sides to its pivotal axis for selectively moving said armature to its alternative positions, and impelling means engageable with said armature to move said trace in a direction determined by the position of said armature.

15. The combination of a plurality of reciprocable members arranged in parallel relation and each movable to alternative positions, an armature mounted on each reciprocab le member and movable to alternative posi tions, electro-magnetic means for selectively moving each of said armatures to its alternative positions, and impelling means arranged transversely of said group of reciprocable members for connection in common therewith and engageable with the several armatures to move each reciprocable member in a direction determined by the position of its armature.

16. The combination with a plurality of stop keys arranged in a console and including a plurality of stop-controlling traces arranged in parallel relation, an armature mounted on each trace and movable to alternative positions, a pair of electro-magnets disposed adjacent each armature for selectively moving said armature to its alternative positions, impelling means engageable with said armatures to move each trace in a direction determined by the position of the armature thereon, and combination-drawing circuits having connections with said electromagnets for energizing one or the other of each pair of electro-magnets during the drawing of each combination.

1?. The combination of combination-drawing circuits and combinationsetting circuits, a plurality of combination push-buttons common to both said drawing and setting circuits, switching means for alternatively placing said combination push-buttons in said eombination-drawing or combination-setting circuits and including a controlling electromagnet, a combination-control push-button having circuit connections with said electromagnet for operating said switching means to its combination-setting position, a second switching means includin an electro-magnet in one of said combination-setting circuits and energized when said first-named switching means is in combination-setting position, and circuit connections including said second-named switching means and the electromagnet of said first-named switching means for energizing said first-named electro-magnet when said second-named switching means is operated whereby to retain said first-named switching means in combination-setting position and to permit the release of said combination-control push-button.

18. The combination or" combination-drawing circuits and combination-setting circuits, a plurality of combination push-buttons common to both said drawing and setting circuits, switching means for alternatively placing said combination push-buttons in said combination-drawing or combination-setting circuits and including a controlling electro-magnet, a combination-control push-button having circuit connections with said electro-magnet for operating said switching means to its combination-setting position, and a locking circuit for retaining said electro-magnet in energized condition to permit the release of said combination-control push-button.

19. The combination of switching means movable to alternative positions, and including an electromagnet, a circuit for initially energizing said electro-magnet including a momentarily operated circuit-closer, a locking circuitfor retaining said electro-magnet in energized condition after the release of said momentarily operated circuitcloser, and circuit means including another circuit-closer for disabling said locking circuit to permit the actuation of said switching means to its original position.

20. The combination of combination-setting switching mechanism including a plural ity of successively operating elements, a plurality of electrically-controlled means for effecting the successive operation of said elements, and fluid-pressure-controlled circuit closer means having circuit connections with said electrically controlled means for automatically determining the successive operation of the elements of said switching mechanism.

21. The combination of combination-setting switching mechanism including a plurality of successively operating elements, a plurality of electrically-controlled means for effecting the successive operation of said elements, fluidpressure-controlled circuit-closer means having circuit connections with said electrically controlled means for automatically determining the successive operation of the elements of said switching mechanism, and adjustable means for controlling the rate of operation of said fluid-pressure-controlled switching means to thereby time the successive operations taking place at the combination-setting switching mechanism.

22. The combination of a bellows normally urged to deflated position and having an air passage communicating therewith, valve means controlling the admission of air to said bellows for effecting the inflation of said bellows, an adjustable screw extending into said passage for throttling the air flowing into and out of said bellows, and a circuit-closer operated by said bellows on its slow inflating movement.

28. The combination of a bellows movable to expanded and contracted positions and g i normally urged to one of said positions, valve means controlling the transfer of air with respect to said bellows to effect the movement of said bellows to the other of saidpositions, means for controlling the rate of air transfer with respect to said bellows for delaying the rate of movement of said bellows, and a circuit-closer operated by said bellows on its delayed movement and including a plurality of successively operative contacts.

In testimony whereof I affix my si nature.

EDMOND VERLINiDEN. 

